ZEW Discussion Papers


Researchers at the ZEW participate in scientific debates by publishing their papers. The papers are predominantly in English (marked). For the German papers an English abstract is available. The contributions are intended for a final publication in special interest titles. The discussion papers can be downloaded as PDF or PostScript files starting from 1.1.1998. They aimed at national and international target groups.

  1. ZEW Discussion Paper No. 21-071 // 2021

    Does Green Public Procurement Trigger Environmental Innovations?

    Green public procurement has gained high political priority and is argued to be an effective demand-side policy to trigger environmental innovations. Its implementation usually takes the form of environmental…

  2. ZEW Discussion Paper No. 21-070 // 2021

    The Legacy of State Socialism on Attitudes Toward Immigration

    Does the politico-economic system affect preferences for immigration? In this study, I show that individuals exposed to life under state socialism have formed and persistently hold different attitudes toward…

  3. ZEW Discussion Paper No. 21-069 // 2021

    Financing and Advising Early Stage Startups: The Effect of Angel Investor Subsidies

    In recent years governments around the world have introduced policies to stimulate investments in early stage entrepreneurial companies, in particular investments by Angel investors. In this paper we study…

  4. ZEW Discussion Paper No. 21-068 // 2021

    Cross-Country Spillovers of Renewable Energy Promotion – The Case of Germany

    Electricity generation based on renewable energy (RE) sources such as wind and solar replace the most expensive generators that often rely on fossil fuels. In response to RE promotion, wholesale…

  5. ZEW Discussion Paper No. 21-067 // 2021

    Between- and Within-Country Distributional Impacts from Harmonizing Carbon Prices in the EU

    This paper examines the distributional impacts from (i) harmonizing prices for carbon dioxide emissions across sectors and EU countries and (ii) using alternative rules for carbon revenue distribution. We…

  6. ZEW Discussion Paper No. 21-066 // 2021

    The Evolution of Educational Wage Differentials for Women and Men, from 1996 to 2019

    This paper studies the evolution of three higher education wage differentials from 1996 to 2019 in Germany, a period when significant changes in the educational composition of the workforce took place. Based on…

  7. ZEW Discussion Paper No. 21-065 // 2021

    Intermittent Versus Dispatchable Power Sources: An Integrated Competitive Assessment

    The cost and revenue earnings potential of alternative power generation sources has shifted considerably in recent years. Here we introduce the concept of Levelized Profit Margins (LPM) to capture the changing…

  8. ZEW Discussion Paper No. 21-064 // 2021

    The Economic and Climate Value of Flexibility in Green Energy Markets

    This paper examines how enhanced flexibility across space, time, and a regulatory dimension affects the economic costs and CO2 emissions of integrating large shares of intermittent renewable energy from wind and…

  9. ZEW Discussion Paper No. 21-063 // 2021

    Centralized Procurement and Delivery Times: Evidence from a Natural Experiment in Italy

    We study how delivery times and prices for hospital medical devices respond to the introduction of centralized procurement. Our identification strategy leverages a legislative change in Italy that mandated…

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